14 mm Gauge Ball Pair Hardened Chrome Steel 0.003 mm Accuracy, 0.00008 mm Diameter Tolerance - Metav IndustryLine

Combine >HRC 62 hardness with 0.003 mm accuracy to create a stable reference that reduces measurement uncertainty; the compact 14 mm diameter and tight diameter tolerance make this pair ideal for repeatable fixture set‑ups. Order the items directly via Metav Werkzeuge or consult our advisors for application-specific recommendations.

Gauge ball pair M318.424 — 14 mm chrome steel, 0.003 mm accuracy (Metav IndustryLine)

The gauge ball pair M318.424 is a hardened chrome‑steel reference sphere set for precision metrology, suited to calibration, fixture alignment and tactile probe checks in workshops and metrology labs

• 14 mm hardened chrome steel spheres
• Accuracy 0.003 mm for reference measurements
• Diameter tolerance ±0.00008 mm
• Supplied as a precision two‑piece set

Reliable reference accuracy for repeatable results

These precision spheres deliver a nominal accuracy of 0.003 mm, combined with a diameter tolerance of ±0.00008 mm, which reduces systematic error when used as reference artefacts. Such figures translate into measurable gains for quality control: probes, tactile sensors and optical systems obtain a consistent benchmark and deviations can be quantified more reliably. The extremely low surface roughness supports stable contact conditions, improving reproducibility in comparative and calibration routines.

Hardened chrome‑steel construction for long service life

Manufactured from hardened chrome steel with a hardness above HRC 62, the spheres resist wear and preserve geometry under repeated contact. This material choice ensures that the surface integrity stays intact through extensive use, so recalibration cycles are extended and maintenance intervals are reduced. The compact mass also minimises influence on delicate fixturing, while the robust finish avoids early degradation that would otherwise increase measurement uncertainty.

Practical application and handling benefits

Offered as a precision two‑piece set, the pair is adaptable to a range of workshop tasks: reference standards for CMMs, probe qualification, alignment of fixtures and comparative measurements against master gauges. The compact diameter and controlled roundness make them simple to integrate into inspection routines or into modular test rigs. For users seeking traceability and dependable repeatability, the spheres function as a small but essential part of a calibrated measurement chain; expert advice is available for integration into process control.

For traceable reference standards and application guidance, contact Metav Werkzeuge to discuss the M318.424 and procurement options — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: M318.424
• GTIN: 4054469184128
• Material: Chromstahl, gehärtet
• Diameter: 14 mm
• Accuracy: 0.003 mm
• Diameter tolerance: 0.00008 mm
• Set: 2 pieces
• Weight: 0.05 kg
• Hardness: >HRC 62
• Surface roughness: 0.00001

Measured values

• Nominal diameter: 14 mm
• Nominal accuracy: 0.003 mm
• Diameter tolerance: 0.00008 mm
• Surface roughness Ra: 0.00001
• Hardness: >HRC 62
• Weight (set): 0.05 kg

Special features

• Precision two‑piece gauge ball set
• Hardened chrome‑steel construction
• Suited for reference and fixture alignment
• Compact format for easy integration

FAQ

Are these spheres suitable for CMM calibration?
Yes. The gauge ball pair M318.424 is designed as a precision reference suitable for use with CMM probing systems and tactile sensor qualification.

What does the 0.003 mm accuracy mean in practice?
It denotes the maximum expected deviation from the nominal geometry for the spheres, allowing the M318.424 pair to act as a reliable benchmark in comparative and calibration tasks.

Is the material wear‑resistant for regular shop use?
The hardened chrome‑steel composition with hardness above HRC 62 provides high wear resistance, helping the spheres retain their geometry during repeated contact operations.

Can the spheres be used for probe repeatability tests?
Yes, the controlled diameter and low surface roughness make the set well suited to probe repeatability and tactile sensor checks in both laboratory and production environments.

What is included in the delivery?
Delivery comprises a precision two‑piece gauge ball set (M318.424) with the stated dimensional and surface specifications

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com